3 Ways an Expanded ETF Deal Affects Investors Today

The multitrillion-dollar exchange-traded fund (ETF) market has brokerage firms fighting tooth and nail for your business. Just last week, Fidelity and BlackRock expanded their partnership, which will provide even more ETF offerings. Let's briefly review the deal and then look at what it means for investors.

Partnership detailsThe deal effectively extends a three-year-old contact between Fidelity and BlackRock that was due to expire. The partnership will give Fidelity customers increased and broader access to BlackRock's passively managed and extremely popular iShares ETFs.

Known for its active management prowess, Fidelity has faced criticism for not diving into the passive ETF market. But being a huge financial services provider with access to millions of individuals and institutions puts Fidelity in an advantageous position. According to BlackRock, the company sees this expanded deal as creating an "ETF manufacturing and distribution powerhouse." It also seals the likelihood of a long-term strategic alliance with broader implications for the active ETF, retirement, and managed accounts markets in the future. But let's not get ahead of ourselves.

So what does the deal mean for ETF investors today?

1. More choicesFidelity's fund extension announcement comes nearly one month after Charles Schwab unveiled its new ETF OneSource program, which offers 105 commission-free ETFs. Fidelity will more than double its current lineup of commission-free ETFs, offering 65 funds including all 10 iShares Core ETFs.

But Fidelity's expanded offerings are still fewer in number than most competitors'. TD Ameritrade and E*TRADE Financial each present more than 100 and 80 commission-free ETFs, respectively. Researched and hand-selected by Morningstar, most of TD Ameritrade's offerings are iShares, Vanguard, or State Street's SPDR ETFs. Meanwhile, most of E*TRADE's lineup is managed by Deutsche Bank and Wisdom Tree.

Even though Fidelity offers fewer ETFs in its program versus its rivals, iShares still dominate the market. According to The Wall Street Journal's MarketWatch, the 65 iShares ETFs in Fidelity's program hold an impressive 18% of all assets in ETFs. By comparison, Schwab's OneSource ETFs hold less than 4% of all ETF assets.

Without a doubt, an increased number of ETF choices give investors more opportunities and latitude when crafting their portfolios. But extra choices come at a cost. When we're faced with an abundance of options, we sometimes have a tendency to feel overwhelmed, which can lead to indecision.

2. Lower costsThe $2 trillion ETF market has grown leaps and bounds during its 20-year tenure. And as the market has grown, competition has heated up, driving fees down for investors. Because ETFs are based on indexes, that really cuts down on their cost structure. Studies have shown that minor improvements in fees can pay off substantially, leaving you more money in your account. So getting your hands on a high-quality, low cost ETF is really beneficial to helping you meet your financial goals.

Vying for a bigger slice of the ETF market, brokers are both revisiting the underlying index they track and ramping up their commission-free ETF offerings. And the big winner in all of this competition is you -- the ETF investor. In fact, it's now possible to invest in some first-class ETFs for practically nothing. Our Foolish Discount Broker Center can give you an even better idea of just how cheap it is.

3. Forcing actionOne downside of the deal is that it creates some major headaches for Fidelity's already-loyal ETF clients. The company is pressuring existing customers to replace some of the funds that are already in their portfolios. To make matters worse, some well-liked ETFs -- including iShares MSCI EAFE and iShares Russell 2000 --were booted from the commission-free program. Even though Fidelity is granting these clients a certain period of time to trade commission-free, selling ETFs that have appreciated in value will cause another headache for clients -- this one in the form of a tax bite, courtesy of Uncle Sam.

Foolish bottom line Despite the fact that Fidelity is annoying its existing ETF clients, by and large, the deal is good for the industry. It gives investors more choices, drives down costs, and is another example of how investors benefit from competition.

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